end member contributions
end-member concentrations
end-member source waters
end-to-end data system
Integrated infrastructure dealing with all aspects of sensor-based measurements from data acquisition, curation, quality analysis and control, integration with other data systems, visualization, and d...
endosteal resorption
Process where new layers of bone are formed and other layers previously formed are resorbed into the endosteum, resulting in calcium extraction and potential destruction of growth rings
endosymbiosis
The living together of two dissimilar organisms in mutualism, commensalism, amensalism, or parasitism.
enemy release hypothesis
enemy release hypothesis
Exotic species benefit from the loss of a subset of their natural enemies during immigration
enemy-free space hypothesis
energy budget constraints
The hypothesis that energy budgets rather than time budgets constrain marmot activity patterns
energy security
energy storage
enhancement
When multiple cues reduce uncertainty by providing supplemental information, resulting in increased response compared to single components
ensemble Kalman filter
Bayesian data assimilation technique using Monte Carlo ensemble to approximate probability distributions for parameter estimation
ensemble forecasting
Technique that combines multiple models weighted by performance measures to improve prediction accuracy
entropy
A measure of noisiness in alarm calls, quantified using deterministic chaos analysis
environment-sociality relationship
The relationship between abiotic environmental features and patterns of individual social behavior and network position
environmental quality
A latent variable representing overall environmental suitability that affects multiple demographic processes simultaneously
enzymatic hydrolysis
enzyme evolution
Changes in protein catalytic function through amino acid substitutions affecting substrate specificity or activity
epeirogenic uplift
Regional-scale vertical movement of the Earth's crust without significant deformation
epiphyte
epistemological framework
equation of state
Mathematical relationship among state variables that describes the system independent of how those values were achieved
equifinality
Concept that multiple different parameter combinations can produce equally acceptable model fits to observed data
equilibrium stability
Analysis of whether population equilibria are locally stable or unstable based on eigenvalues of the Jacobian matrix
equity and inclusion
Ensuring that fieldwork safety accommodates different identities and experiences, and that safety cannot be promoted except through explicit consideration of power dynamics and workers' identities
error model
escape in time
establishment failure
ethanol tolerance in insects
Physiological mechanisms allowing insects to survive and function despite exposure to ethanol, including alcohol dehydrogenase enzyme activity
ethnobiology
evaporative water loss
The physiological water loss and evaporative water loss response in amphibians as changing climatic conditions are linked to increased thermal and hydric stress
evaporite deposition
Formation of chemical sedimentary rocks through evaporation of saline waters leading to precipitation of minerals like gypsum and halite
evasion
evolutionary experience
Refers to predator-naive prey, whose ancestors historically interacted with a predator, but who have not interacted with that predator in their own lifetime
exaptation
The co-optation of existing traits for new functions during evolution
excess air
The component of atmospheric gas dissolved from air bubbles trapped below the water table when it rises during recharge events
exfiltration
exhumation history
expansion year
Year following incursion when virus may overwinter and resurge with slightly different climatological conditions
expected discrepancy
experimental side effects
Unintended consequences of experimental manipulations that may impact study results
explosive eruptions
exponential decline function
Mathematical function Y = A·e^(-β·d) where Y is root mass, A is root mass at soil surface, d is soil depth, and β defines steepness of decline
exponential decline model
Mathematical model describing how pollen deposition decreases exponentially with successive flower visits
exposure ages
extended phenotype
The effect of genes beyond the boundaries of the individual organism, including effects on associated communities
